Finding the Fourth Proportional to 565,052.77, 779,781.21 and 306,934.75
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Solution
The fourth proportional to 565,052.77, 779,781.21 and 306,934.75 is: 423,574.51
Step by Step Solution
- Step 1: Write the proportion equation
565,052.77 : 779,781.21 = 306,934.75 : x - Step 2: Convert to fraction form
565,052.77/779,781.21 = 306,934.75/x - Step 3: Cross multiply
565,052.77x = 779,781.21 × 306,934.75 - Step 4: Simplify right side
565,052.77x = 239,341,947,645.59 - Step 5: Solve for x
x = 239,341,947,645.59/565,052.77 - Step 6: Final answer
x = 423,574.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.